package com.example.lotterysystem.dao.mapper;

import com.example.lotterysystem.dao.dataobject.ActivityUserDO;
import com.example.lotterysystem.service.enums.ActivityUserStatusEnum;
import org.apache.ibatis.annotations.*;

import java.util.List;

/**
 * Created with IntelliJ IDEA.
 * Description: 活动人员
 * User: Spider-Man
 * Date: 2025-09-12
 * Time: 15:18
 */
@Mapper
public interface ActivityUserMapper {

    //批量插入活动人员
    @Insert("<script>" +
            " insert   into activity_user (activity_id, user_id, user_name, status)" +
            " values <foreach collection = 'items' item='item' index='index' separator=','>" +
            " (#{item.activityId}, #{item.userId}, #{item.userName}, #{item.status})" +
            " </foreach>" +
            " </script>")
    @Options(useGeneratedKeys = true, keyProperty = "id", keyColumn = "id")
    int batchInsert(@Param("items") List<ActivityUserDO> activityUserDOList);

    //根据ID查询活动人员关联表信息
    @Select("select * from activity_user where activity_id = #{activityId}")
    List<ActivityUserDO> selectByActivityId(@Param("activityId") Long activityId);

    /**
     * 活动人员关联表中查询出唯一活动的中奖人员信息
     * @param activityId
     * @param userIds
     */
    @Select("<script> " +
            "select * from activity_user where activity_id = #{activityId} and " +
            "user_id in " +
            "<foreach collection= 'userIds' item = 'userId' open='(' separator=',' close=')' > " +
            "#{userId}" +
            "</foreach> " +
            "</script> ")
    List<ActivityUserDO> batchSelectByAUIds(@Param("activityId") Long activityId,
                                            @Param("userIds") List<Long> userIds);

    @Update("<script> " +
            "update activity_user set status = #{status} " +
            "where activity_id = #{activityId} " +
            "and user_id in " +
            "<foreach collection= 'userIds' item = 'userId' open='(' separator=',' close=')' > " +
            "#{userId}" +
            "</foreach> " +
            "</script> ")
    void batchUpdateStatus(@Param("activityId") Long activityId,
                           @Param("userIds") List<Long> userIds,
                           @Param("status") String status);
}
